Safety helmet with ear muffs for hearing protection and fastening device therefor



FIG. 1 is a side view of a safety helmet with ear muffs for hearing protection and fastening device therefor embodying my new design;

FIG. 2 is a front view of the safety helmet with ear muffs as shown in FIG. 1 and;

FIG. 3 is a bottom view of the safety helmet shown in FIGS. 1 and 2 with the ear muffs removed from the ear muff supports for convenience of illustration. 

The ornamental design of a safety helmet with ear muffs for hearing protection and fastening device therefor, as shown and described. 